﻿/**
 * Copyright (C) 2012 original author and authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NGuice.Inject.Internal.Util
{
    /// <summary>
    /// ToString方法的帮助类
    /// </summary>
    public class ToStringBuilder
    {
        // Linked hash map ensures ordering.
        readonly IDictionary<string, object> map = new SortedDictionary<string, object>();

        readonly string name;

        public ToStringBuilder(Type type)
        {
            this.name = type.Name;
        }

        public ToStringBuilder Add(string name, object value)
        {
            if (map.ContainsKey(name))
            {
                throw new ApplicationException("Duplicate names: " + name);
            }
            else
            {
                map.Add(name, value);
            }
            return this;
        }

        public override string ToString()
        {
            return name + map.ToString().Replace('{', '[').Replace('}', ']');
        }
    }
}